CVE-2022-46393

Description

An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is a potential heap-based buffer overflow and heap-based buffer over-read in DTLS if MBEDTLS_SSL_DTLS_CONNECTION_ID is enabled and MBEDTLS_SSL_CID_IN_LEN_MAX > 2 * MBEDTLS_SSL_CID_OUT_LEN_MAX.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.64%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory readthedocs.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ vendor advisory
https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0 third party advisory release notes
https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2 third party advisory release notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-46393?
CVE-2022-46393 has been scored as a critical severity vulnerability.
How to fix CVE-2022-46393?
To fix CVE-2022-46393, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-46393 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-46393 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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